31451445046 has 16 divisors (see below), whose sum is σ = 54450594720. Its totient is φ = 13345732800.

The previous prime is 31451445043. The next prime is 31451445061. The reversal of 31451445046 is 64054415413.

It is a super-3 number, since 3×31451445046³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31451444996 and 31451445014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31451445043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11120031 + ... + 11122858.

It is an arithmetic number, because the mean of its divisors is an integer number (3403162170).

Almost surely, 2^31451445046 is an apocalyptic number.

31451445046 is a deficient number, since it is larger than the sum of its proper divisors (22999149674).

31451445046 is a wasteful number, since it uses less digits than its factorization.

31451445046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22242999.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 31451445046 in words is "thirty-one billion, four hundred fifty-one million, four hundred forty-five thousand, forty-six".